In determining the sample size needed to estimate the population proportion p, we let the sample proportion $\hat { p }$ = 1 if we have no knowledge of even the approximate values of $\hat { p }$ .

Question

Quizplus · Accepted Answer

When we have no knowledge of the sample proportion $\hat{p}$, we use $\hat{p} = 0.5$ to maximize the sample size, as it provides the maximum variability.

In Determining the Sample Size Needed to Estimate the Population p^\hat { p }p^​

In Determining the Sample Size Needed to Estimate the Population $\hat { p }$